<template>
    <div class="shopcar-container">
        <div class="goods-list">
            <!--商品列表区域-->
            <div class="mui-card" v-for="(item,i) in goodlist">
                <div class="mui-card-content">
                    <div class="mui-card-content-inner">
                        <mt-switch v-model="$store.getters.getGoodsSelected[item.id]" @change="selectedChange(item.id,$store.getters.getGoodsSelected[item.id])"></mt-switch>
                        <img :src="item.url"/>
                        <div class="info">
                            <h3>{{item.title}}</h3>
                            <p>
                                <span class="price">￥{{item.sell_price}}</span>
                                <numbox :initcount="$store.getters.getGoodsCount[item.id]" :goods-id="item.id"></numbox>
                                <!--问题：如果从购物车中获取商品的数量-->
                                <!--1.可以先创建一个空对象，然后循环购物车中所有商品的数据，把当前循环这条山沟的id，作为对象的属性名，
                                count值作为对象的属性值，这样，当把所有商品循环一遍，就会
                                得到一个对象；{88:2,89:1,90:4}
                                -->
                                <a @click.prevent="remove(item.id,i)">删除</a>
                            </p>

                        </div>
                    </div>
                </div>
            </div>
            <!--结算区域-->
            <div class="mui-card">
                <div class="mui-card-content">
                    <div class="mui-card-content-inner jiesuan">
                        <div class="left">
                            <p>总计（不含运费）</p>
                            <p>已勾选商品<span class="red">{{$store.getters.getGoodsCountAndAmount.count}}</span>件，总价￥<span class="red">{{$store.getters.getGoodsCountAndAmount.amount}}</span></p>
                        </div>
                        <mt-button type="danger">去结算</mt-button>
                    </div>

                </div>
            </div>
        </div>
        <p>{{$store.getters.getGoodsSelected}}</p>
    </div>
</template>

<script>
    import  numbox from '../subcomponents/shopcar_numbox.vue'
    export default {
        name: "shopcart-container",
        data(){
            return{
                goodlist:[]//购物车中所有商品的数据
            }

        },
        methods:{
          getShoplist(){
              //1.获取到store中所有商品的id，然后拼接出一个用逗号分隔开到字符串
              var idArr=[]
              this.$store.state.car.forEach(item=>idArr.push(item.id))
              //如果购物车中没有商品，则直接返回，不需要请求数据接口，否则会报错
              /*if (idArr.length<=0){
                  return
              }*/
              this.$http.get("http://192.168.1.237:9090/test33/test.php").then(result=>{
                    this.goodlist=result.body.shopcarlist
              })
          },
            remove(id,index){
              //点击删除，把商品从store中根据传递的id删除，同时，把当前组件中的goodlist中，对应要删除的那个商品，使用index来删除
                this.goodlist.splice(index,1);
                this.$store.commit('removeFromCar',id)//这边没有没后台接口，所以每次删完之后从后台又调出全部的数据
            },
            selectedChange(id,value){
              //每当点击开关，把最新的开关状态同步到store中
                console.log(id,value)
                this.$store.commit('updateGoodsSelcted',{id:id,selected:value})
            }
        },
        created(){
          this.getShoplist()
        },
        components:{
            numbox
        }
    }
</script>

<style scoped lang="scss">
.shopcar-container{
    background-color: #eee;
    overflow: hidden;
}
    .goods-list{
        .mui-card-content-inner{
            display: flex;
            align-items: center;
        }
       img{
           width: 60px;
           height: 60px;
       }
        h3{
            font-size: 13px;
            margin-bottom: 10px;
        }
        .info{
            .price{
                color: red;
                font-weight: bold;
            }
        }

    }
    .jiesuan{
        display: flex;
        justify-content: space-between;
        align-items: center;
        .red{
            color: red;
            font-weight: bold;
        }
    }
</style>